System1, Inc.
SSTPW- Exchange
- OTC
- Industry
- Services-Computer Programming, Data Processing, Etc.
- SEC CIK
- 0001805833
No open-market purchases or sales by System1, Inc. insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Other share classesSST
Q1 2025 vs. Q4 2024
How the institutions holding System1, Inc. changed between Q4 2024 and Q1 2025.
All holders in Q1 2025All holders in Q4 2024
| Measure | Q4 2024 | Q1 2025 | Change |
|---|---|---|---|
| Holders | 18 | 17 | −1 |
| Shares | 1.93M | 1.91M | −26.1K (−1.4%) |
| Value | $45.1K | $42.5K | −$2.63K (−5.8%) |
New holders (2)
Institutions that held System1, Inc. at the end of Q1 2025 but not at the end of Q4 2024.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| StoneX Group Inc. | 225,806 | $2.94K | 0.00% |
| Susquehanna International Group, LLP | 11,345 | $226 | 0.00% |
Sold out (3)
Institutions that held System1, Inc. at the end of Q4 2024 and filed for Q1 2025 without it.
| Institution | Shares, Q4 2024 | Value, Q4 2024 |
|---|---|---|
| Walleye Capital LLC | 245,655 | $4.42K |
| Two Sigma Securities, LLC | 17,500 | $315 |
| Clear Street LLC | 100 | $2 |